diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/g4x_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/g4x_dp.c | 544 |
1 files changed, 285 insertions, 259 deletions
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index e3e3d27ffb53..a3ff21b2f69f 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -7,23 +7,30 @@ #include <linux/string_helpers.h> +#include <drm/drm_print.h> + #include "g4x_dp.h" +#include "i915_reg.h" #include "intel_audio.h" #include "intel_backlight.h" #include "intel_connector.h" #include "intel_crtc.h" #include "intel_de.h" #include "intel_display_power.h" +#include "intel_display_regs.h" #include "intel_display_types.h" +#include "intel_display_utils.h" #include "intel_dp.h" +#include "intel_dp_aux.h" #include "intel_dp_link_training.h" +#include "intel_dp_test.h" #include "intel_dpio_phy.h" +#include "intel_encoder.h" #include "intel_fifo_underrun.h" #include "intel_hdmi.h" #include "intel_hotplug.h" #include "intel_pch_display.h" #include "intel_pps.h" -#include "vlv_sideband.h" static const struct dpll g4x_dpll[] = { { .dot = 162000, .p1 = 2, .p2 = 10, .n = 2, .m1 = 23, .m2 = 8, }, @@ -46,28 +53,28 @@ static const struct dpll chv_dpll[] = { { .dot = 270000, .p1 = 4, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x6c00000 /* 27.0 */ }, }; -const struct dpll *vlv_get_dpll(struct drm_i915_private *i915) +const struct dpll *vlv_get_dpll(struct intel_display *display) { - return IS_CHERRYVIEW(i915) ? &chv_dpll[0] : &vlv_dpll[0]; + return display->platform.cherryview ? &chv_dpll[0] : &vlv_dpll[0]; } -void g4x_dp_set_clock(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) +static void g4x_dp_set_clock(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); const struct dpll *divisor = NULL; int i, count = 0; - if (IS_G4X(dev_priv)) { + if (display->platform.g4x) { divisor = g4x_dpll; count = ARRAY_SIZE(g4x_dpll); - } else if (HAS_PCH_SPLIT(dev_priv)) { + } else if (HAS_PCH_SPLIT(display)) { divisor = pch_dpll; count = ARRAY_SIZE(pch_dpll); - } else if (IS_CHERRYVIEW(dev_priv)) { + } else if (display->platform.cherryview) { divisor = chv_dpll; count = ARRAY_SIZE(chv_dpll); - } else if (IS_VALLEYVIEW(dev_priv)) { + } else if (display->platform.valleyview) { divisor = vlv_dpll; count = ARRAY_SIZE(vlv_dpll); } @@ -86,7 +93,7 @@ void g4x_dp_set_clock(struct intel_encoder *encoder, static void intel_dp_prepare(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); enum port port = encoder->port; struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); @@ -115,7 +122,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder, /* Preserve the BIOS-computed detected bit. This is * supposed to be read-only. */ - intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg) & DP_DETECTED; + intel_dp->DP = intel_de_read(display, intel_dp->output_reg) & DP_DETECTED; /* Handle DP bits in common between all three register formats */ intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0; @@ -123,7 +130,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder, /* Split out the IBX/CPU vs CPT settings */ - if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) { + if (display->platform.ivybridge && port == PORT_A) { if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) intel_dp->DP |= DP_SYNC_HS_HIGH; if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) @@ -134,19 +141,15 @@ static void intel_dp_prepare(struct intel_encoder *encoder, intel_dp->DP |= DP_ENHANCED_FRAMING; intel_dp->DP |= DP_PIPE_SEL_IVB(crtc->pipe); - } else if (HAS_PCH_CPT(dev_priv) && port != PORT_A) { - u32 trans_dp; - + } else if (HAS_PCH_CPT(display) && port != PORT_A) { intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT; - trans_dp = intel_de_read(dev_priv, TRANS_DP_CTL(crtc->pipe)); - if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) - trans_dp |= TRANS_DP_ENH_FRAMING; - else - trans_dp &= ~TRANS_DP_ENH_FRAMING; - intel_de_write(dev_priv, TRANS_DP_CTL(crtc->pipe), trans_dp); + intel_de_rmw(display, TRANS_DP_CTL(crtc->pipe), + TRANS_DP_ENH_FRAMING, + pipe_config->enhanced_framing ? + TRANS_DP_ENH_FRAMING : 0); } else { - if (IS_G4X(dev_priv) && pipe_config->limited_color_range) + if (display->platform.g4x && pipe_config->limited_color_range) intel_dp->DP |= DP_COLOR_RANGE_16_235; if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) @@ -155,10 +158,10 @@ static void intel_dp_prepare(struct intel_encoder *encoder, intel_dp->DP |= DP_SYNC_VS_HIGH; intel_dp->DP |= DP_LINK_TRAIN_OFF; - if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) + if (pipe_config->enhanced_framing) intel_dp->DP |= DP_ENHANCED_FRAMING; - if (IS_CHERRYVIEW(dev_priv)) + if (display->platform.cherryview) intel_dp->DP |= DP_PIPE_SEL_CHV(crtc->pipe); else intel_dp->DP |= DP_PIPE_SEL(crtc->pipe); @@ -167,24 +170,24 @@ static void intel_dp_prepare(struct intel_encoder *encoder, static void assert_dp_port(struct intel_dp *intel_dp, bool state) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - bool cur_state = intel_de_read(dev_priv, intel_dp->output_reg) & DP_PORT_EN; + bool cur_state = intel_de_read(display, intel_dp->output_reg) & DP_PORT_EN; - I915_STATE_WARN(cur_state != state, - "[ENCODER:%d:%s] state assertion failure (expected %s, current %s)\n", - dig_port->base.base.base.id, dig_port->base.base.name, - str_on_off(state), str_on_off(cur_state)); + INTEL_DISPLAY_STATE_WARN(display, cur_state != state, + "[ENCODER:%d:%s] state assertion failure (expected %s, current %s)\n", + dig_port->base.base.base.id, dig_port->base.base.name, + str_on_off(state), str_on_off(cur_state)); } #define assert_dp_port_disabled(d) assert_dp_port((d), false) -static void assert_edp_pll(struct drm_i915_private *dev_priv, bool state) +static void assert_edp_pll(struct intel_display *display, bool state) { - bool cur_state = intel_de_read(dev_priv, DP_A) & DP_PLL_ENABLE; + bool cur_state = intel_de_read(display, DP_A) & EDP_PLL_ENABLE; - I915_STATE_WARN(cur_state != state, - "eDP PLL state assertion failure (expected %s, current %s)\n", - str_on_off(state), str_on_off(cur_state)); + INTEL_DISPLAY_STATE_WARN(display, cur_state != state, + "eDP PLL state assertion failure (expected %s, current %s)\n", + str_on_off(state), str_on_off(cur_state)); } #define assert_edp_pll_enabled(d) assert_edp_pll((d), true) #define assert_edp_pll_disabled(d) assert_edp_pll((d), false) @@ -192,25 +195,25 @@ static void assert_edp_pll(struct drm_i915_private *dev_priv, bool state) static void ilk_edp_pll_on(struct intel_dp *intel_dp, const struct intel_crtc_state *pipe_config) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - assert_transcoder_disabled(dev_priv, pipe_config->cpu_transcoder); + assert_transcoder_disabled(display, pipe_config->cpu_transcoder); assert_dp_port_disabled(intel_dp); - assert_edp_pll_disabled(dev_priv); + assert_edp_pll_disabled(display); - drm_dbg_kms(&dev_priv->drm, "enabling eDP PLL for clock %d\n", + drm_dbg_kms(display->drm, "enabling eDP PLL for clock %d\n", pipe_config->port_clock); - intel_dp->DP &= ~DP_PLL_FREQ_MASK; + intel_dp->DP &= ~EDP_PLL_FREQ_MASK; if (pipe_config->port_clock == 162000) - intel_dp->DP |= DP_PLL_FREQ_162MHZ; + intel_dp->DP |= EDP_PLL_FREQ_162MHZ; else - intel_dp->DP |= DP_PLL_FREQ_270MHZ; + intel_dp->DP |= EDP_PLL_FREQ_270MHZ; - intel_de_write(dev_priv, DP_A, intel_dp->DP); - intel_de_posting_read(dev_priv, DP_A); + intel_de_write(display, DP_A, intel_dp->DP); + intel_de_posting_read(display, DP_A); udelay(500); /* @@ -219,42 +222,41 @@ static void ilk_edp_pll_on(struct intel_dp *intel_dp, * 1. Wait for the start of vertical blank on the enabled pipe going to FDI * 2. Program DP PLL enable */ - if (IS_IRONLAKE(dev_priv)) - intel_wait_for_vblank_if_active(dev_priv, !crtc->pipe); + if (display->platform.ironlake) + intel_wait_for_vblank_if_active(display, !crtc->pipe); - intel_dp->DP |= DP_PLL_ENABLE; + intel_dp->DP |= EDP_PLL_ENABLE; - intel_de_write(dev_priv, DP_A, intel_dp->DP); - intel_de_posting_read(dev_priv, DP_A); + intel_de_write(display, DP_A, intel_dp->DP); + intel_de_posting_read(display, DP_A); udelay(200); } static void ilk_edp_pll_off(struct intel_dp *intel_dp, const struct intel_crtc_state *old_crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(intel_dp); - assert_transcoder_disabled(dev_priv, old_crtc_state->cpu_transcoder); + assert_transcoder_disabled(display, old_crtc_state->cpu_transcoder); assert_dp_port_disabled(intel_dp); - assert_edp_pll_enabled(dev_priv); + assert_edp_pll_enabled(display); - drm_dbg_kms(&dev_priv->drm, "disabling eDP PLL\n"); + drm_dbg_kms(display->drm, "disabling eDP PLL\n"); - intel_dp->DP &= ~DP_PLL_ENABLE; + intel_dp->DP &= ~EDP_PLL_ENABLE; - intel_de_write(dev_priv, DP_A, intel_dp->DP); - intel_de_posting_read(dev_priv, DP_A); + intel_de_write(display, DP_A, intel_dp->DP); + intel_de_posting_read(display, DP_A); udelay(200); } -static bool cpt_dp_port_selected(struct drm_i915_private *dev_priv, +static bool cpt_dp_port_selected(struct intel_display *display, enum port port, enum pipe *pipe) { enum pipe p; - for_each_pipe(dev_priv, p) { - u32 val = intel_de_read(dev_priv, TRANS_DP_CTL(p)); + for_each_pipe(display, p) { + u32 val = intel_de_read(display, TRANS_DP_CTL(p)); if ((val & TRANS_DP_PORT_SEL_MASK) == TRANS_DP_PORT_SEL(port)) { *pipe = p; @@ -262,7 +264,7 @@ static bool cpt_dp_port_selected(struct drm_i915_private *dev_priv, } } - drm_dbg_kms(&dev_priv->drm, "No pipe for DP port %c found\n", + drm_dbg_kms(display->drm, "No pipe for DP port %c found\n", port_name(port)); /* must initialize pipe to something for the asserts */ @@ -271,26 +273,26 @@ static bool cpt_dp_port_selected(struct drm_i915_private *dev_priv, return false; } -bool g4x_dp_port_enabled(struct drm_i915_private *dev_priv, +bool g4x_dp_port_enabled(struct intel_display *display, i915_reg_t dp_reg, enum port port, enum pipe *pipe) { bool ret; u32 val; - val = intel_de_read(dev_priv, dp_reg); + val = intel_de_read(display, dp_reg); ret = val & DP_PORT_EN; /* asserts want to know the pipe even if the port is disabled */ - if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) - *pipe = (val & DP_PIPE_SEL_MASK_IVB) >> DP_PIPE_SEL_SHIFT_IVB; - else if (HAS_PCH_CPT(dev_priv) && port != PORT_A) - ret &= cpt_dp_port_selected(dev_priv, port, pipe); - else if (IS_CHERRYVIEW(dev_priv)) - *pipe = (val & DP_PIPE_SEL_MASK_CHV) >> DP_PIPE_SEL_SHIFT_CHV; + if (display->platform.ivybridge && port == PORT_A) + *pipe = REG_FIELD_GET(DP_PIPE_SEL_MASK_IVB, val); + else if (HAS_PCH_CPT(display) && port != PORT_A) + ret &= cpt_dp_port_selected(display, port, pipe); + else if (display->platform.cherryview) + *pipe = REG_FIELD_GET(DP_PIPE_SEL_MASK_CHV, val); else - *pipe = (val & DP_PIPE_SEL_MASK) >> DP_PIPE_SEL_SHIFT; + *pipe = REG_FIELD_GET(DP_PIPE_SEL_MASK, val); return ret; } @@ -298,20 +300,20 @@ bool g4x_dp_port_enabled(struct drm_i915_private *dev_priv, static bool intel_dp_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); intel_wakeref_t wakeref; bool ret; - wakeref = intel_display_power_get_if_enabled(dev_priv, + wakeref = intel_display_power_get_if_enabled(display, encoder->power_domain); if (!wakeref) return false; - ret = g4x_dp_port_enabled(dev_priv, intel_dp->output_reg, + ret = g4x_dp_port_enabled(display, intel_dp->output_reg, encoder->port, pipe); - intel_display_power_put(dev_priv, encoder->power_domain, wakeref); + intel_display_power_put(display, encoder->power_domain, wakeref); return ret; } @@ -334,7 +336,7 @@ static void g4x_dp_get_m_n(struct intel_crtc_state *crtc_state) static void intel_dp_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u32 tmp, flags = 0; enum port port = encoder->port; @@ -345,14 +347,17 @@ static void intel_dp_get_config(struct intel_encoder *encoder, else pipe_config->output_types |= BIT(INTEL_OUTPUT_DP); - tmp = intel_de_read(dev_priv, intel_dp->output_reg); + tmp = intel_de_read(display, intel_dp->output_reg); pipe_config->has_audio = tmp & DP_AUDIO_OUTPUT_ENABLE && port != PORT_A; - if (HAS_PCH_CPT(dev_priv) && port != PORT_A) { - u32 trans_dp = intel_de_read(dev_priv, + if (HAS_PCH_CPT(display) && port != PORT_A) { + u32 trans_dp = intel_de_read(display, TRANS_DP_CTL(crtc->pipe)); + if (trans_dp & TRANS_DP_ENH_FRAMING) + pipe_config->enhanced_framing = true; + if (trans_dp & TRANS_DP_HSYNC_ACTIVE_HIGH) flags |= DRM_MODE_FLAG_PHSYNC; else @@ -363,6 +368,9 @@ static void intel_dp_get_config(struct intel_encoder *encoder, else flags |= DRM_MODE_FLAG_NVSYNC; } else { + if (tmp & DP_ENHANCED_FRAMING) + pipe_config->enhanced_framing = true; + if (tmp & DP_SYNC_HS_HIGH) flags |= DRM_MODE_FLAG_PHSYNC; else @@ -376,16 +384,15 @@ static void intel_dp_get_config(struct intel_encoder *encoder, pipe_config->hw.adjusted_mode.flags |= flags; - if (IS_G4X(dev_priv) && tmp & DP_COLOR_RANGE_16_235) + if (display->platform.g4x && tmp & DP_COLOR_RANGE_16_235) pipe_config->limited_color_range = true; - pipe_config->lane_count = - ((tmp & DP_PORT_WIDTH_MASK) >> DP_PORT_WIDTH_SHIFT) + 1; + pipe_config->lane_count = REG_FIELD_GET(DP_PORT_WIDTH_MASK, tmp) + 1; g4x_dp_get_m_n(pipe_config); if (port == PORT_A) { - if ((intel_de_read(dev_priv, DP_A) & DP_PLL_FREQ_MASK) == DP_PLL_FREQ_162MHZ) + if ((intel_de_read(display, DP_A) & EDP_PLL_FREQ_MASK) == EDP_PLL_FREQ_162MHZ) pipe_config->port_clock = 162000; else pipe_config->port_clock = 270000; @@ -397,76 +404,97 @@ static void intel_dp_get_config(struct intel_encoder *encoder, if (intel_dp_is_edp(intel_dp)) intel_edp_fixup_vbt_bpp(encoder, pipe_config->pipe_bpp); + + intel_audio_codec_get_config(encoder, pipe_config); } static void intel_dp_link_down(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); enum port port = encoder->port; - if (drm_WARN_ON(&dev_priv->drm, - (intel_de_read(dev_priv, intel_dp->output_reg) & + if (drm_WARN_ON(display->drm, + (intel_de_read(display, intel_dp->output_reg) & DP_PORT_EN) == 0)) return; - drm_dbg_kms(&dev_priv->drm, "\n"); - - if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) || - (HAS_PCH_CPT(dev_priv) && port != PORT_A)) { - intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT; - intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE_CPT; - } else { - intel_dp->DP &= ~DP_LINK_TRAIN_MASK; - intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE; - } - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + drm_dbg_kms(display->drm, "\n"); - intel_dp->DP &= ~(DP_PORT_EN | DP_AUDIO_OUTPUT_ENABLE); - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_dp->DP &= ~DP_PORT_EN; + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); /* * HW workaround for IBX, we need to move the port * to transcoder A after disabling it to allow the * matching HDMI port to be enabled on transcoder A. */ - if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B && port != PORT_A) { + if (HAS_PCH_IBX(display) && crtc->pipe == PIPE_B && port != PORT_A) { /* * We get CPU/PCH FIFO underruns on the other pipe when * doing the workaround. Sweep them under the rug. */ - intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false); - intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); + intel_set_cpu_fifo_underrun_reporting(display, PIPE_A, false); + intel_set_pch_fifo_underrun_reporting(display, PIPE_A, false); /* always enable with pattern 1 (as per spec) */ intel_dp->DP &= ~(DP_PIPE_SEL_MASK | DP_LINK_TRAIN_MASK); intel_dp->DP |= DP_PORT_EN | DP_PIPE_SEL(PIPE_A) | DP_LINK_TRAIN_PAT_1; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); intel_dp->DP &= ~DP_PORT_EN; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); - intel_wait_for_vblank_if_active(dev_priv, PIPE_A); - intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true); - intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); + intel_wait_for_vblank_if_active(display, PIPE_A); + intel_set_cpu_fifo_underrun_reporting(display, PIPE_A, true); + intel_set_pch_fifo_underrun_reporting(display, PIPE_A, true); } msleep(intel_dp->pps.panel_power_down_delay); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - intel_wakeref_t wakeref; + if (display->platform.valleyview || display->platform.cherryview) + vlv_pps_port_disable(encoder, old_crtc_state); +} - with_intel_pps_lock(intel_dp, wakeref) - intel_dp->pps.active_pipe = INVALID_PIPE; - } +static void g4x_dp_audio_enable(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + if (!crtc_state->has_audio) + return; + + /* Enable audio presence detect */ + intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE; + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + + intel_audio_codec_enable(encoder, crtc_state, conn_state); +} + +static void g4x_dp_audio_disable(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + if (!old_crtc_state->has_audio) + return; + + intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); + + /* Disable audio presence detect */ + intel_dp->DP &= ~DP_AUDIO_OUTPUT_ENABLE; + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); } static void intel_disable_dp(struct intel_atomic_state *state, @@ -476,9 +504,7 @@ static void intel_disable_dp(struct intel_atomic_state *state, { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - intel_dp->link_trained = false; - - intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); + intel_dp->link.active = false; /* * Make sure the panel is off before trying to change the mode. @@ -540,16 +566,10 @@ static void chv_post_disable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - intel_dp_link_down(encoder, old_crtc_state); - vlv_dpio_get(dev_priv); - /* Assert data lane reset */ chv_data_lane_soft_reset(encoder, old_crtc_state, true); - - vlv_dpio_put(dev_priv); } static void @@ -557,7 +577,7 @@ cpt_set_link_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, u8 dp_train_pat) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT; @@ -576,8 +596,21 @@ cpt_set_link_train(struct intel_dp *intel_dp, return; } - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); +} + +static void +cpt_set_idle_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + + intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT; + intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE_CPT; + + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } static void @@ -585,7 +618,7 @@ g4x_set_link_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, u8 dp_train_pat) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); intel_dp->DP &= ~DP_LINK_TRAIN_MASK; @@ -604,14 +637,27 @@ g4x_set_link_train(struct intel_dp *intel_dp, return; } - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); +} + +static void +g4x_set_idle_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + + intel_dp->DP &= ~DP_LINK_TRAIN_MASK; + intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE; + + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } static void intel_dp_enable_port(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); /* enable with pattern 1 (as per spec) */ @@ -625,11 +671,9 @@ static void intel_dp_enable_port(struct intel_dp *intel_dp, * fail when the power sequencer is freshly used for this port. */ intel_dp->DP |= DP_PORT_EN; - if (crtc_state->has_audio) - intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } static void intel_enable_dp(struct intel_atomic_state *state, @@ -637,17 +681,17 @@ static void intel_enable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(state); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - u32 dp_reg = intel_de_read(dev_priv, intel_dp->output_reg); + u32 dp_reg = intel_de_read(display, intel_dp->output_reg); intel_wakeref_t wakeref; - if (drm_WARN_ON(&dev_priv->drm, dp_reg & DP_PORT_EN)) + if (drm_WARN_ON(display->drm, dp_reg & DP_PORT_EN)) return; with_intel_pps_lock(intel_dp, wakeref) { - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - vlv_pps_init(encoder, pipe_config); + if (display->platform.valleyview || display->platform.cherryview) + vlv_pps_port_enable_unlocked(encoder, pipe_config); intel_dp_enable_port(intel_dp, pipe_config); @@ -656,24 +700,21 @@ static void intel_enable_dp(struct intel_atomic_state *state, intel_pps_vdd_off_unlocked(intel_dp, true); } - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { + if (display->platform.valleyview || display->platform.cherryview) { unsigned int lane_mask = 0x0; - if (IS_CHERRYVIEW(dev_priv)) + if (display->platform.cherryview) lane_mask = intel_dp_unused_lane_mask(pipe_config->lane_count); - vlv_wait_port_ready(dev_priv, dp_to_dig_port(intel_dp), - lane_mask); + vlv_wait_port_ready(encoder, lane_mask); } intel_dp_set_power(intel_dp, DP_SET_POWER_D0); intel_dp_configure_protocol_converter(intel_dp, pipe_config); intel_dp_check_frl_training(intel_dp); intel_dp_pcon_dsc_configure(intel_dp, pipe_config); - intel_dp_start_link_train(intel_dp, pipe_config); + intel_dp_start_link_train(state, intel_dp, pipe_config); intel_dp_stop_link_train(intel_dp, pipe_config); - - intel_audio_codec_enable(encoder, pipe_config, conn_state); } static void g4x_enable_dp(struct intel_atomic_state *state, @@ -991,21 +1032,21 @@ static void g4x_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; signal_levels = g4x_signal_levels(train_set); - drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", + drm_dbg_kms(display->drm, "Using signal levels %08x\n", signal_levels); intel_dp->DP &= ~(DP_VOLTAGE_MASK | DP_PRE_EMPHASIS_MASK); intel_dp->DP |= signal_levels; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } /* SNB CPU eDP voltage swing and pre-emphasis control */ @@ -1039,21 +1080,21 @@ static void snb_cpu_edp_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; signal_levels = snb_cpu_edp_signal_levels(train_set); - drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", + drm_dbg_kms(display->drm, "Using signal levels %08x\n", signal_levels); intel_dp->DP &= ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB; intel_dp->DP |= signal_levels; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } /* IVB CPU eDP voltage swing and pre-emphasis control */ @@ -1091,21 +1132,21 @@ static void ivb_cpu_edp_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 train_set = intel_dp->train_set[0]; u32 signal_levels; signal_levels = ivb_cpu_edp_signal_levels(train_set); - drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", + drm_dbg_kms(display->drm, "Using signal levels %08x\n", signal_levels); intel_dp->DP &= ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB; intel_dp->DP |= signal_levels; - intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP); - intel_de_posting_read(dev_priv, intel_dp->output_reg); + intel_de_write(display, intel_dp->output_reg, intel_dp->DP); + intel_de_posting_read(display, intel_dp->output_reg); } /* @@ -1125,36 +1166,14 @@ intel_dp_hotplug(struct intel_encoder *encoder, struct intel_connector *connector) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct drm_modeset_acquire_ctx ctx; enum intel_hotplug_state state; - int ret; - if (intel_dp->compliance.test_active && - intel_dp->compliance.test_type == DP_TEST_LINK_PHY_TEST_PATTERN) { - intel_dp_phy_test(encoder); - /* just do the PHY test and nothing else */ + if (intel_dp_test_phy(intel_dp)) return INTEL_HOTPLUG_UNCHANGED; - } state = intel_encoder_hotplug(encoder, connector); - drm_modeset_acquire_init(&ctx, 0); - - for (;;) { - ret = intel_dp_retrain_link(encoder, &ctx); - - if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - continue; - } - - break; - } - - drm_modeset_drop_locks(&ctx); - drm_modeset_acquire_fini(&ctx); - drm_WARN(encoder->base.dev, ret, - "Acquiring modeset locks failed with %i\n", ret); + intel_dp_check_link_state(intel_dp); /* * Keeping it consistent with intel_ddi_hotplug() and @@ -1168,15 +1187,15 @@ intel_dp_hotplug(struct intel_encoder *encoder, static bool ibx_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit = dev_priv->display.hotplug.pch_hpd[encoder->hpd_pin]; + struct intel_display *display = to_intel_display(encoder); + u32 bit = display->hotplug.pch_hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, SDEISR) & bit; + return intel_de_read(display, SDEISR) & bit; } static bool g4x_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); u32 bit; switch (encoder->hpd_pin) { @@ -1194,38 +1213,43 @@ static bool g4x_digital_port_connected(struct intel_encoder *encoder) return false; } - return intel_de_read(dev_priv, PORT_HOTPLUG_STAT) & bit; + return intel_de_read(display, PORT_HOTPLUG_STAT(display)) & bit; } -static bool gm45_digital_port_connected(struct intel_encoder *encoder) +static bool ilk_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit; + struct intel_display *display = to_intel_display(encoder); + u32 bit = display->hotplug.hpd[encoder->hpd_pin]; - switch (encoder->hpd_pin) { - case HPD_PORT_B: - bit = PORTB_HOTPLUG_LIVE_STATUS_GM45; - break; - case HPD_PORT_C: - bit = PORTC_HOTPLUG_LIVE_STATUS_GM45; - break; - case HPD_PORT_D: - bit = PORTD_HOTPLUG_LIVE_STATUS_GM45; - break; - default: - MISSING_CASE(encoder->hpd_pin); - return false; - } - - return intel_de_read(dev_priv, PORT_HOTPLUG_STAT) & bit; + return intel_de_read(display, DEISR) & bit; } -static bool ilk_digital_port_connected(struct intel_encoder *encoder) +static int g4x_dp_compute_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit = dev_priv->display.hotplug.hpd[encoder->hpd_pin]; + struct intel_display *display = to_intel_display(encoder); + int ret; + + if (HAS_PCH_SPLIT(display) && encoder->port != PORT_A) + crtc_state->has_pch_encoder = true; - return intel_de_read(dev_priv, DEISR) & bit; + ret = intel_dp_compute_config(encoder, crtc_state, conn_state); + if (ret) + return ret; + + g4x_dp_set_clock(encoder, crtc_state); + + return 0; +} + +static void g4x_dp_suspend_complete(struct intel_encoder *encoder) +{ + /* + * TODO: Move this to intel_dp_encoder_suspend(), + * once modeset locking around that is removed. + */ + intel_encoder_link_check_flush_work(encoder); } static void intel_dp_encoder_destroy(struct drm_encoder *encoder) @@ -1236,34 +1260,18 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder) kfree(enc_to_dig_port(to_intel_encoder(encoder))); } -enum pipe vlv_active_pipe(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - enum pipe pipe; - - if (g4x_dp_port_enabled(dev_priv, intel_dp->output_reg, - encoder->port, &pipe)) - return pipe; - - return INVALID_PIPE; -} - static void intel_dp_encoder_reset(struct drm_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->dev); + struct intel_display *display = to_intel_display(encoder->dev); struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder)); - intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg); + intel_dp->DP = intel_de_read(display, intel_dp->output_reg); intel_dp->reset_link_params = true; + intel_dp_invalidate_source_oui(intel_dp); - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - intel_wakeref_t wakeref; - - with_intel_pps_lock(intel_dp, wakeref) - intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp); - } + if (display->platform.valleyview || display->platform.cherryview) + vlv_pps_pipe_reset(intel_dp); intel_pps_encoder_reset(intel_dp); } @@ -1273,15 +1281,26 @@ static const struct drm_encoder_funcs intel_dp_enc_funcs = { .destroy = intel_dp_encoder_destroy, }; -bool g4x_dp_init(struct drm_i915_private *dev_priv, +bool g4x_dp_init(struct intel_display *display, i915_reg_t output_reg, enum port port) { + const struct intel_bios_encoder_data *devdata; struct intel_digital_port *dig_port; struct intel_encoder *intel_encoder; struct drm_encoder *encoder; struct intel_connector *intel_connector; - dig_port = kzalloc(sizeof(*dig_port), GFP_KERNEL); + if (!assert_port_valid(display, port)) + return false; + + devdata = intel_bios_encoder_data_lookup(display, port); + + /* FIXME bail? */ + if (!devdata) + drm_dbg_kms(display->drm, "No VBT child device for DP-%c\n", + port_name(port)); + + dig_port = intel_dig_port_alloc(); if (!dig_port) return false; @@ -1292,30 +1311,33 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, intel_encoder = &dig_port->base; encoder = &intel_encoder->base; - mutex_init(&dig_port->hdcp_mutex); + intel_encoder->devdata = devdata; - if (drm_encoder_init(&dev_priv->drm, &intel_encoder->base, + if (drm_encoder_init(display->drm, &intel_encoder->base, &intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS, "DP %c", port_name(port))) goto err_encoder_init; + intel_encoder_link_check_init(intel_encoder, intel_dp_link_check); + intel_encoder->hotplug = intel_dp_hotplug; - intel_encoder->compute_config = intel_dp_compute_config; + intel_encoder->compute_config = g4x_dp_compute_config; intel_encoder->get_hw_state = intel_dp_get_hw_state; intel_encoder->get_config = intel_dp_get_config; intel_encoder->sync_state = intel_dp_sync_state; intel_encoder->initial_fastset_check = intel_dp_initial_fastset_check; intel_encoder->update_pipe = intel_backlight_update; intel_encoder->suspend = intel_dp_encoder_suspend; + intel_encoder->suspend_complete = g4x_dp_suspend_complete; intel_encoder->shutdown = intel_dp_encoder_shutdown; - if (IS_CHERRYVIEW(dev_priv)) { + if (display->platform.cherryview) { intel_encoder->pre_pll_enable = chv_dp_pre_pll_enable; intel_encoder->pre_enable = chv_pre_enable_dp; intel_encoder->enable = vlv_enable_dp; intel_encoder->disable = vlv_disable_dp; intel_encoder->post_disable = chv_post_disable_dp; intel_encoder->post_pll_disable = chv_dp_post_pll_disable; - } else if (IS_VALLEYVIEW(dev_priv)) { + } else if (display->platform.valleyview) { intel_encoder->pre_pll_enable = vlv_dp_pre_pll_enable; intel_encoder->pre_enable = vlv_pre_enable_dp; intel_encoder->enable = vlv_enable_dp; @@ -1327,26 +1349,31 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, intel_encoder->disable = g4x_disable_dp; intel_encoder->post_disable = g4x_post_disable_dp; } + intel_encoder->audio_enable = g4x_dp_audio_enable; + intel_encoder->audio_disable = g4x_dp_audio_disable; - if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) || - (HAS_PCH_CPT(dev_priv) && port != PORT_A)) + if ((display->platform.ivybridge && port == PORT_A) || + (HAS_PCH_CPT(display) && port != PORT_A)) { dig_port->dp.set_link_train = cpt_set_link_train; - else + dig_port->dp.set_idle_link_train = cpt_set_idle_link_train; + } else { dig_port->dp.set_link_train = g4x_set_link_train; + dig_port->dp.set_idle_link_train = g4x_set_idle_link_train; + } - if (IS_CHERRYVIEW(dev_priv)) + if (display->platform.cherryview) intel_encoder->set_signal_levels = chv_set_signal_levels; - else if (IS_VALLEYVIEW(dev_priv)) + else if (display->platform.valleyview) intel_encoder->set_signal_levels = vlv_set_signal_levels; - else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) + else if (display->platform.ivybridge && port == PORT_A) intel_encoder->set_signal_levels = ivb_cpu_edp_set_signal_levels; - else if (IS_SANDYBRIDGE(dev_priv) && port == PORT_A) + else if (display->platform.sandybridge && port == PORT_A) intel_encoder->set_signal_levels = snb_cpu_edp_set_signal_levels; else intel_encoder->set_signal_levels = g4x_set_signal_levels; - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv) || - (HAS_PCH_SPLIT(dev_priv) && port != PORT_A)) { + if (display->platform.valleyview || display->platform.cherryview || + (HAS_PCH_SPLIT(display) && port != PORT_A)) { dig_port->dp.preemph_max = intel_dp_preemph_max_3; dig_port->dp.voltage_max = intel_dp_voltage_max_3; } else { @@ -1355,11 +1382,10 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, } dig_port->dp.output_reg = output_reg; - dig_port->max_lanes = 4; intel_encoder->type = INTEL_OUTPUT_DP; - intel_encoder->power_domain = intel_display_power_ddi_lanes_domain(dev_priv, port); - if (IS_CHERRYVIEW(dev_priv)) { + intel_encoder->power_domain = intel_display_power_ddi_lanes_domain(display, port); + if (display->platform.cherryview) { if (port == PORT_D) intel_encoder->pipe_mask = BIT(PIPE_C); else @@ -1369,15 +1395,12 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, } intel_encoder->cloneable = 0; intel_encoder->port = port; - intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port); + intel_encoder->hpd_pin = intel_hpd_pin_default(port); dig_port->hpd_pulse = intel_dp_hpd_pulse; - if (HAS_GMCH(dev_priv)) { - if (IS_GM45(dev_priv)) - dig_port->connected = gm45_digital_port_connected; - else - dig_port->connected = g4x_digital_port_connected; + if (HAS_GMCH(display)) { + dig_port->connected = g4x_digital_port_connected; } else { if (port == PORT_A) dig_port->connected = ilk_digital_port_connected; @@ -1388,7 +1411,10 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, if (port != PORT_A) intel_infoframe_init(dig_port); - dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); + dig_port->aux_ch = intel_dp_aux_ch(intel_encoder); + if (dig_port->aux_ch == AUX_CH_NONE) + goto err_init_connector; + if (!intel_dp_init_connector(dig_port, intel_connector)) goto err_init_connector; |